Finding the Fourth Proportional to 13,048.02, 19,572.71 and 3,688.81

Step by Step Solution

1. Step 1: Write the proportion equation
   13,048.02 : 19,572.71 = 3,688.81 : x
2. Step 2: Convert to fraction form
   13,048.02/19,572.71 = 3,688.81/x
3. Step 3: Cross multiply
   13,048.02x = 19,572.71 × 3,688.81
4. Step 4: Simplify right side
   13,048.02x = 72,199,941.00
5. Step 5: Solve for x
   x = 72,199,941.00/13,048.02
6. Step 6: Final answer
   x = 5,533.40